Home / 731,512.80-1,097,269.20-613,414.80

Finding the Fourth Proportional to 731,512.80, 1,097,269.20 and 613,414.80

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Solution

The fourth proportional to 731,512.80, 1,097,269.20 and 613,414.80 is: 920,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,512.80 : 1,097,269.20 = 613,414.80 : x
  2. Step 2: Convert to fraction form
    731,512.80/1,097,269.20 = 613,414.80/x
  3. Step 3: Cross multiply
    731,512.80x = 1,097,269.20 × 613,414.80
  4. Step 4: Simplify right side
    731,512.80x = 673,081,166,864.16
  5. Step 5: Solve for x
    x = 673,081,166,864.16/731,512.80
  6. Step 6: Final answer
    x = 920,122.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.